Diamine Oxidase From Pea Sprouts
What is Diamine Oxidase?
Diamine Oxidase (DAO) is a copper-containing amine oxidase that catalyzes the oxidative deamination of diamines such as histamine. It is mainly obtained from plant sources like pea sprouts or animal tissues, and is used in food processing, fermentation, and biochemical research.
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Product name： |
Diamine Oxidase from Pea Sprouts |
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CAS: |
9001-53-0 |
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Grade: |
Food Grade |
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source: |
Pea Sprouts |
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Appearance: |
White Fine Powder |
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Product odor: |
Characteristic |
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Enzyme activity: |
1,000,000 HDU; 30,000,000HDU |
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MOQ: |
1 kg |
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Packing: |
1kg/bag; 25kg/drum |
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Storage: |
Stored in air-tight original sealed container under freezing condition, keep away from strong light and heat. |
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Statement: |
Non-Irradiated, Non-BSE/TSE, Non-GMO, Non-Allergen |
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Shelf life: |
24 months |
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Certificate： |
ISO9001,FSSC22000 |
Mechanism of action:
Diamine Oxidase is a copper-dependent oxidoreductase that catalyzes the oxidative deamination of biogenic diamines (such as histamine, putrescine, and cadaverine). In the presence of oxygen, DAO converts these diamines into their corresponding aldehydes, ammonia, and hydrogen peroxide, thereby reducing diamine levels and limiting their accumulation in the system.
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Product characteristics |
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Product name： |
Diamine Oxidase from Pea Sprouts |
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Synonyms: |
DAO |
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CAS: |
9001-53-0 |
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Functionality: |
Enzyme catalyst, biocatalyst, oxidative enzyme, Reaction modulator, enzyme preparation, etc. |
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Application: |
Health products and functional ingredients, fermented dairy products, fermented tofu, soy sauce, kimchi, fermented fruit and vegetable beverages, etc. |
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Recommended usage method: |
50,000–200,000 HDU per kg of product, depending on the type of food and processing conditions. |
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Product profile |
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Appearance: |
White Fine Powder |
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Identifiable active ingredient: |
Complies with standards (HPLC) |
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Loss on drying: |
NMT 5.00% |
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Diamine Oxidase: |
NLT 1,000,000HDU or 30,000,000HDU (JT-MOA-QC00006) |
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Pesticide Residues: |
USP< 561> |
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Solvent Residues: |
USP<467> |
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Heavy metals: |
NMT 10.00 ppm |
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Lead: |
NMT 2.00 ppm |
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Arsenic: |
NMT 1.00 ppm |
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Mercury: |
NMT 0.10 ppm |
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Cadmium: |
NMT 1.00 ppm |
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Total plate count: |
NMT 1,000 cfu/g |
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Yeast & mold: |
NMT 100 cfu/g |
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Coli: |
Negative |
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Salmonella : |
Negative |
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Staphylococcus: |
Negative |
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Packaging |
1 kg/bag; 25kg/drum |
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Storage |
Stored in air-tight original sealed container under freezing condition, keep away from strong light and heat. |
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Shelf life |
24 months from date of manufacture |
Food Processing and Preservation
Used as a food ingredient in seafood, meat, and fermented products to catalyze the breakdown of diamines such as histamine and cadaverine formed during storage, helping reduce spoilage risk and extend product shelf life.
Dietary Supplement Ingredients
Can be formulated into dietary supplements aimed at supporting digestive processes, providing additional diamine oxidase to assist the breakdown of dietary histamine and other diamines during digestion.
Fermented Food Processing
DAO can be added to fermented dairy, soy, and fruit or vegetable products to catalyze the oxidative deamination of diamines. This enzymatic process helps regulate chemical reactions during fermentation, supporting consistent product quality and optimized processing conditions.
Nature Source:
Diamine Oxidase (DAO) from Pea Sprouts is naturally sourced from fresh pea sprouts, providing a plant-based enzyme. Its natural origin makes it suitable for incorporation into various food and beverage applications while meeting plant-derived ingredient requirements.
High Specificity:
DAO has high specificity toward primary diamines like histamine, cadaverine, and putrescine, catalyzing their oxidative deamination efficiently. This specificity underpins its utility in processing systems involving biogenic amines.
Q1: What are the natural sources of DAO?
The main natural sources of Diamine Oxidase (DAO) are pea sprouts and certain animal organs such as kidney and liver. These foods contain measurable DAO activity and are commonly studied as plant- or animal-derived sources of this enzyme.
Q2: What is diamine oxidase used for?
Diamine Oxidase (DAO) is an enzyme used in food processing and formulation to catalyze the oxidative deamination of primary diamines. It helps regulate chemical reactions involving biogenic amines and is applied in fermented foods, protein-rich products, and enzyme research.
Q3: How does Diamine Oxidase work?
Diamine Oxidase, a copper-containing amine oxidase, catalyzes the oxidative deamination of biogenic diamines like histamine. It breaks them down into harmless aldehydes, ammonia and hydrogen peroxide, thus eliminating their toxic effects in organisms or food.
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